how are we going to be like when we are 40?
You'll be generally more mature, confident, and responsible. You'll have a better understanding of the world and how it works. You'll be able to handle more complex tasks and responsibilities. You may have a family of your own and/or a career. You may also have more financial stability and You'll have more experience and knowledge to draw from. You'll have a better understanding of yourself and what you want out of life. You'll likely have a better sense of purpose and direction. You may have a clearer idea of your future goals and aspirations. You may also have a better sense in life.